Expression samplerassertions is undefined on line 1, column 6 in template/plugins/buildProcessor/jmeterAggregatorProcessorView.ftl.
 The problematic instruction: ---------- ==> if samplerassertions.size() > 0 [on line 1, column 1 in template/plugins/buildProcessor/jmeterAggregatorProcessorView.ftl] 
---------- Java backtrace for programmers: ---------- 
freemarker.core.InvalidReferenceException: Expression samplerassertions is undefined on line 1, column 6 in template/plugins/buildProcessor/jmeterAggregatorProcessorView.ftl.
  at freemarker.core.TemplateObject.assertNonNull(TemplateObject.java:124)
  at freemarker.core.TemplateObject.invalidTypeException(TemplateObject.java:134)  
  at freemarker.core.Dot._getAsTemplateModel(Dot.java:78)
  at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
  at freemarker.core.MethodCall._getAsTemplateModel(MethodCall.java:86)
  at freemarker.core.Expression.getAsTemplateModel(Expression.java:89)
  at freemarker.core.ComparisonExpression.isTrue(ComparisonExpression.java:111)
  at freemarker.core.ConditionalBlock.accept(ConditionalBlock.java:77)
  at freemarker.core.Environment.visit(Environment.java:210)
  at freemarker.core.Environment.process(Environment.java:190)
  at freemarker.template.Template.process(Template.java:237)
  at com.atlassian.bamboo.ww2.BambooFreemarkerManager.renderPage(BambooFreemarkerManager.java:295)
  at com.atlassian.bamboo.ww2.BambooFreemarkerManager.renderPage(BambooFreemarkerManager.java:235)
  at com.atlassian.bamboo.ww2.BambooFreemarkerManager.render(BambooFreemarkerManager.java:304)
  at com.atlassian.bamboo.v2.build.BaseConfigurablePlugin.getViewHtml(BaseConfigurablePlugin.java:77)
  at sun.reflect.GeneratedMethodAccessor746.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at org.springframework.aop.support.AopUtils.invokeJoinpointUsingReflection(AopUtils.java:304)
  at org.springframework.aop.framework.JdkDynamicAopProxy.invoke(JdkDynamicAopProxy.java:198)
  at $Proxy279.getViewHtml(Unknown Source)
  at com.atlassian.bamboo.ww2.actions.build.admin.ViewBuildConfiguration.getBuildProcessorPluginHtmlList(ViewBuildConfiguration.java:132)
  at sun.reflect.GeneratedMethodAccessor2489.invoke(Unknown Source)
  at sun.reflect.DelegatingMethodAccessorImpl.invoke(DelegatingMethodAccessorImpl.java:25)
  at java.lang.reflect.Method.invoke(Method.java:597)
  at ognl.OgnlRuntime.invokeMethod(OgnlRuntime.java:768)
  at ognl.OgnlRuntime.getMethodValue(OgnlRuntime.java:1213)
  at ognl.ObjectPropertyAccessor.getPossibleProperty(ObjectPropertyAccessor.java:60)
  at ognl.ObjectPropertyAccessor.getProperty(ObjectPropertyAccessor.java:144)
  at com.opensymphony.xwork.util.OgnlValueStack$ObjectAccessor.getProperty(OgnlValueStack.java:57) 
...